code: def test_dynamic_subpackage_fallback_only():
      # Test that the __getattr__ dynamic
      assert "ray._raylet" in sys.modules
      assert ray.__getattribute__("_raylet") is ray._raylet
      with pytest.raises(AttributeError):
          ray.__getattr__("_raylet")
  
file_path: ray/python/ray/tests/test_top_level_api.py
imports: from inspect import getmembers, isfunction, ismodule
  import sys
  import pytest
  import ray
label_desc: Use image node_id 5 for calling a global function with example usage: test_dynamic_subpackage_fallback_only() without return types